Finding the Fourth Proportional to 1,662,607.75, 2,294,397.42 and 898,661.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,607.75 : 2,294,397.42 = 898,661.31 : x
2. Step 2: Convert to fraction form
   1,662,607.75/2,294,397.42 = 898,661.31/x
3. Step 3: Cross multiply
   1,662,607.75x = 2,294,397.42 × 898,661.31
4. Step 4: Simplify right side
   1,662,607.75x = 2,061,886,188,124.33
5. Step 5: Solve for x
   x = 2,061,886,188,124.33/1,662,607.75
6. Step 6: Final answer
   x = 1,240,151.92